Type certificate E-230
Held today by Pratt & Whitney Division. It covers 8 models. Last revised September 15, 1975 (revision 11). 5 approved modifications build on it.
Models under this certificate 8
Twin Wasp D-3, Twin Wasp D-7, Twin Wasp 2SD1-G, Twin Wasp D-4, Twin Wasp 2SD-G, Twin Wasp D-5?, Twin Wasp D-14, Twin Wasp 2SD13-G
The data sheet on the FAA's site: the approved engines and propellers, weights, speeds and limits for each model.
FAA orders on these designs 0 · newest first
None in the current files.
Approved modifications 5 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 7, 2026. Connections as data: /graph/certificate/E-230.json.